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08-24-2020, 03:35 PM   #1
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K-x info/live view screen not working

I can't set anything without it coming up fully. I can take photos with the camera with the current settings, use it in manual mode etc... just no info screens. The info inside the OVF is functioning.

The first photo was taken with the K-x, and the 21mm f3.2 DA Limited lens. At this point the monitor wasn't functioning anymore. The second shows the camera turned on, with a grayish dark screen but no info displayed. I also checked the four Energizer Ultimate lithium batteries with a multimeter, and each one registers at 1.64 V.

How do I go about resetting the camera in this situation? Thanks for any advice.

Attached Images
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PENTAX K-x  Photo 
View Picture EXIF
DMC-ZS100  Photo 

Last edited by doc_taz_nj; 08-25-2020 at 12:17 PM. Reason: added monitor issue while taking photo
08-24-2020, 05:21 PM - 1 Like   #2
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When you hold down the menu button and turn on the camera does it display the firmware version? If not I'm afraid your display may be non-functional.
08-24-2020, 07:37 PM   #3
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Ha, yep.

No firmware info, though the display still lights up in the grayish dark tone. At least I set it in RAW+JPEG mode with the JPEG quality left at 3 stars. Max res for the Jpegs... guess I'll have to replace the screen at some point. I'm fairly adept at taking apart electronics, and have already read up on some tips on how to replace it. I updated the K-x firmware to 1.03 a few years ago. I've had the camera since 2010.

In the meantime, the OVF LED's work and I figured out how to switch from auto to manual ISO in aperture mode. That's good enough for me (for now), it's how I typically use the K-x these days. I fixed the zoom/setting ring on the back last year. I scored a K-70 around that time, so I can't complain too much.

Thanks for the help. Oh ya, remembered to set the green button for DOF preview way back as well!

Last edited by doc_taz_nj; 08-24-2020 at 07:39 PM. Reason: green button
08-24-2020, 08:13 PM   #4
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QuoteOriginally posted by doc_taz_nj Quote
No firmware info, though the display still lights up in the grayish dark tone.
Worse comes to worst you can still plug the video out into a TV to see the menus. (I just tried it).

08-25-2020, 04:21 AM   #5
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See this thread:
Replacing Pentax K2000 LCD screen - PentaxForums.com

Of course it could be a mainboard problem too.
08-25-2020, 05:57 AM   #6
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Can the brightnes be turned down in the menu?
That happend for me on the K-1.
08-25-2020, 12:16 PM   #7
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QuoteOriginally posted by alfa75ts Quote
Worse comes to worst you can still plug the video out into a TV to see the menus. (I just tried it).
I'll have to check my cable stash and see if I have a USB/composite cable that'll allow me to hook my K-x to my 24 inch 720p tv. If I do, I'll try it.

QuoteOriginally posted by Not a Number Quote
See this thread:
Replacing Pentax K2000 LCD screen - PentaxForums.com

Of course it could be a mainboard problem too.
Noted, thanks. It could be but I don't have any issues taking photos and changing some settings via OVF.

QuoteOriginally posted by erikro Quote
Can the brightnes be turned down in the menu?
That happend for me on the K-1.
No. If you saw the photo I took of the K-x monitor above, you'll notice I have the camera turned on but the monitor is glowing dark gray. I can't reach any of the menus.
11-18-2020, 11:11 PM   #8
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A few months later...

I hadn't done anything at all with the K-x since I created this post. A few hours ago, this happened... I meant to open the body to inspect the wiring, but... THIS HAPPENED!

Immediately checked on the live view to be sure I wasn't out of my mind, that was working...

Last photo is a quick test shot of the live view, using the kit 18-55mm zoom.

Nothing short of a miracle I suppose. I tested the K-x for a few hours, and the LCD's holding up. Looks like I shall use this now for my turkey day shots, preferably with the 21mm DA Limited lens.

PS, need to adjust the clocks on the K-x and Panasonic ZS-100.

Attached Images
View Picture EXIF
DMC-ZS100  Photo 
View Picture EXIF
DMC-ZS100  Photo 
View Picture EXIF
PENTAX K-x  Photo 

Last edited by doc_taz_nj; 11-18-2020 at 11:13 PM. Reason: timing issues
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